adularia
Meanings
noun
- A variety of orthoclase feldspar found as colorless to white prismatic crystals in cavities in metamorphic rocks. Some specimens reflect a bluish sheen along crystal faces. This phenomenon is called adularescence, and adularia with this property is called moonstone. (See sanidine).
Pronunciation
Word forms
Etymology
Named for the type locality at Adular, Switzerland.
Related words
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